Excel COS function

Function              COS

Description        Excel COS function returns the cosine of given angle.

Syntax  COS(number)

Number    Mandatory. The angle to be input in radians for which you want the cosine.

 

Example:

=COS(0.523599)= 0.866025

=COS(30*PI()/180)= 0.866025

=COS(RADIANS(30))= 0.866025

 

Usage Notes:

  • Angle must be input in Radians